NPPES file of Aug 9, 2026

Clinical Neuropsychologist in Washington

104 NPPES records list clinical neuropsychologist with a practice address in Washington, 1.3 per 100,000 residents, the 28th highest rate of 51. Seattle and Tacoma have the most; each record links to the provider's NPI and the Washington license search. Page 3 of 3.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 103G00000X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Seattle has the most, 24

  1. Seattle24
  2. Tacoma24
  3. Spokane12
  4. Bellevue6
  5. Puyallup5

Clinical Neuropsychologist records in Washington

  1. Rebecca Yesian, PSYDBlaine, WA 982301346605268
  2. Evan Zahniser, PHDSeattle, WA 981091356011944
  3. Elizabeth Ziegler, PH.D.Spokane, WA 992051932241940
  4. Kenneth Zych, PH.D.Tacoma, WA 984311770551533

Source: CMS NPPES, primary taxonomy 103G00000X: records by practice city and the list of records, file of Aug 9, 2026.

Washington ranks 28 of 51 per resident

  1. Delaware1.6
  2. Idaho1.4
  3. Arkansas1.4
  4. Washington1.3
  5. Michigan1.3
  6. Nebraska1.3
  7. 50 states and D.C.1.6

Source: CMS NPPES, primary taxonomy 103G00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

20.2% of these records appear in a Medicare file, against 29.8% nationally

A Medicare file here is Part D prescribing (2024), a MIPS score (2023), an Open Payments record (2024) or Medicare group billing (CMS Doctors and Clinicians). A record outside them may still see patients: these files cover Medicare only.

  1. Washington20.2%
  2. United States29.8%

Clinical Neuropsychologist records in Washington, measured

  • In a Medicare file21 of 104 · 20.2% here, 29.8% nationally
  • In the CMS Doctors and Clinicians file32 · 30.8% here, 37.6% nationally
  • Not updated in five years or more70 · 67.3% here, 58.4% nationally
  • Median graduation year2010 · the 32 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 103G00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

104 NPPES records list clinical neuropsychologist (103G00000X) as their primary taxonomy with a practice address in Washington: 1.3 per 100,000 residents against 1.6 nationally (50 states and D.C.). Seattle has 24 of them (23%).

A record is a registration a provider made and keeps up to date: it shows neither that the provider is licensed nor that they still practice there. The state's own license search is the check.

States with a similar number

  1. Wisconsin101
  2. Virginia109
  3. Georgia110
  4. Connecticut120

States with a similar rate per 100,000

  1. Michigan1.3
  2. Nebraska1.3
  3. Arkansas1.4
  4. Idaho1.4

The largest states

  1. California743
  2. New York424
  3. Texas388
  4. Florida372
  5. Massachusetts338

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy; 2023 Census population estimates. A registry record is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.